Mercurial > hg > truffle
comparison src/share/vm/opto/connode.cpp @ 372:be41fa651400
Merge
author | rasbold |
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date | Tue, 30 Sep 2008 15:53:55 -0700 |
parents | 36ccc817fca4 |
children | 98cb887364d3 |
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365:5f44674206d3 | 372:be41fa651400 |
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431 | 431 |
432 //------------------------------Ideal_DU_postCCP------------------------------- | 432 //------------------------------Ideal_DU_postCCP------------------------------- |
433 // If not converting int->oop, throw away cast after constant propagation | 433 // If not converting int->oop, throw away cast after constant propagation |
434 Node *CastPPNode::Ideal_DU_postCCP( PhaseCCP *ccp ) { | 434 Node *CastPPNode::Ideal_DU_postCCP( PhaseCCP *ccp ) { |
435 const Type *t = ccp->type(in(1)); | 435 const Type *t = ccp->type(in(1)); |
436 if (!t->isa_oop_ptr()) { | 436 if (!t->isa_oop_ptr() || in(1)->is_DecodeN()) { |
437 return NULL; // do not transform raw pointers | 437 return NULL; // do not transform raw pointers or narrow oops |
438 } | 438 } |
439 return ConstraintCastNode::Ideal_DU_postCCP(ccp); | 439 return ConstraintCastNode::Ideal_DU_postCCP(ccp); |
440 } | 440 } |
441 | 441 |
442 | 442 |